MrMaafamousmetaldoct的精选

问题详情：阅读;根据短文内容,选择最恰当的*用A，B,C,D表示Mr.Ma,afamousmetaldoctorfromBeijingoncesaidatanimportantmeeting,“Nowmanyyoungstudentscanhaveproblemswiththeirminds.Somestudentsbecomeworriedbecauset...